Revert "drm/msm/dsi: Move setup_encoder to modeset_init"

This reverts commit 03436e3.

Fixes:
mdp: dummy supplies not allowed for exclusive requests
[    2.641236] 8<--- cut here ---
[    2.641279] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[    2.643206] pgd = (ptrval)
[    2.651522] [00000000] *pgd=00000000
[    2.653973] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[    2.657695] Modules linked in:
[    2.663000] CPU: 3 PID: 105 Comm: kworker/3:1 Not tainted 5.3.0-00014-g9bf8d2ba4898 grate-driver#120
[    2.665859] Hardware name: Generic DT based system
[    2.674123] Workqueue: events deferred_probe_work_func
[    2.678718] PC is at msm_dsi_manager_setup_encoder+0x38/0x6c
[    2.683830] LR is at msm_dsi_manager_setup_encoder+0x30/0x6c
[    2.689643] pc : [<c0766a4c>]    lr : [<c0766a44>]    psr: a0000013
[    2.695283] sp : e8043c08  ip : e8043c08  fp : e8043c24
[    2.701271] r10: e8305c00  r9 : e8305400  r8 : e8305c00
[    2.706482] r7 : e7d1fc00  r6 : 00000000  r5 : e7d1c4c0  r4 : e7d1fc00
[    2.711693] r3 : e7d1c4c0  r2 : e7d19280  r1 : 00000000  r0 : e7d1fc00
[    2.718297] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    2.724803] Control: 10c5787d  Table: 8020406a  DAC: 00000051
[    2.732006] Process kworker/3:1 (pid: 105, stack limit = 0x(ptrval))
[    2.737736] Stack: (0xe8043c08 to 0xe8044000)
[    2.744179] 3c00:                   e7d1c4c0 e8305400 00000000 e7d1fc00 e8043c4c e8043c28
[    2.748445] 3c20: c07629dc c0766a20 e7d1f780 00000006 e8305400 e8305400 00000001 e8305400
[    2.756606] 3c40: e8043c8c e8043c50 c071caac c0762948 00000002 e8043c60 c091d268 c0c5ee2c
[    2.764766] 3c60: e8305c00 e8305c00 e8305400 00000000 e89efa10 e8305c00 00000002 c12c2ea8
[    2.772926] 3c80: e8043cec e8043c90 c0754554 c071c540 c034bfd8 c036f8a8 e89efba4 60000013
[    2.781086] 3ca0: e89efa10 e89efba4 e8043ccc c0c5ee58 e8043ccc e8043cc0 c0c5ee58 c034be74
[    2.789245] 3cc0: e8043cec e7d11c40 e7d11f40 e7d11f18 e7d16540 e7d11f18 00000002 c12c2ea8
[    2.797405] 3ce0: e8043d2c e8043cf0 c0770244 c0754190 c0d1db90 e7d11f40 e89efa10 00000000
[    2.805565] 3d00: e8043d2c c12775d4 e7d11f40 e89efa10 c0d5a440 c0f8cbf0 e89efa10 00000000
[    2.813725] 3d20: e8043d54 e8043d30 c0770644 c0770054 c0d5f5f4 c038f528 e93f3378 e89efa10
[    2.821885] 3d40: e93f5ab8 e89efa10 e8043d94 e8043d58 c0753dbc c0770590 e7d16540 00000003
[    2.830043] 3d60: 00000000 e93f6274 c07908d8 00000000 e89efa10 c1276f10 00000000 c1313718
[    2.838203] 3d80: c1276f10 c12c3160 e8043db4 e8043d98 c077992c c0753b98 e89efa10 c1313714
[    2.846364] 3da0: 00000000 00000000 e8043df4 e8043db8 c0776ffc c07798e0 e8043dd4 e8043dc8
[    2.854523] 3dc0: c0c5eebc 00000007 e8043df4 e89efa10 c1276f10 e8043e78 e89efa10 c0f91d0c
[    2.862683] 3de0: c12c3160 e89efa10 e8043e2c e8043df8 c077754c c0776ef4 c1276f10 c1276f10
[    2.870844] 3e00: e8043e78 e89efa10 00000001 c1276f10 e8043e78 e89efa10 c0f91d0c c12c3160
[    2.879002] 3e20: e8043e4c e8043e30 c0777870 c07774d8 00000000 e8043e78 c07777cc c12c3160
[    2.887162] 3e40: e8043e74 e8043e50 c0774ff4 c07777d8 c02e686c e8ba4738 e89efa10 e89efa10
[    2.895322] 3e60: 00000001 e89efa54 e8043e9c e8043e78 c0776e30 c0774f80 e89efa10 00000001
[    2.903483] 3e80: c07733dc c127780c e89efa10 c1277a88 e8043eac e8043ea0 c07778f8 c0776d7c
[    2.911641] 3ea0: e8043ecc e8043eb0 c0775f08 c07778e8 c127780c c127780c c1277820 c12c3160
[    2.919801] 3ec0: e8043efc e8043ed0 c07764b8 c0775e80 c0776430 c1277844 e8a21000 e93d4dc0
[    2.927959] 3ee0: e93d7f00 00000000 c12bb270 00000000 e8043f3c e8043f00 c033d1b8 c077643c
[    2.936121] 3f00: c034bfd8 c036f8a8 e93d4dc0 e93d4dc0 e93d4dc0 e8a21000 e93d4dc0 e8a21014
[    2.944279] 3f20: e93d4dd8 c1203d00 00000008 e8863e88 e8043f74 e8043f40 c033ed74 c033cfe8
[    2.952440] 3f40: e8043f74 e8042000 c0343274 e8a20600 e8a20780 00000000 e8042000 e8a21000
[    2.960601] 3f60: e8a2061c e8863e88 e8043fac e8043f78 c03436e0 c033eb2c c032fe64 c033eb20
[    2.968757] 3f80: 00000000 e8a20780 c03435b4 00000000 00000000 00000000 00000000 00000000
[    2.976919] 3fa0: 00000000 e8043fb0 c03010e8 c03435c0 00000000 00000000 00000000 00000000
[    2.985078] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    2.993236] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[    3.001359] Backtrace:
[    3.009541] [<c0766a14>] (msm_dsi_manager_setup_encoder) from [<c07629dc>] (msm_dsi_modeset_init+0xa0/0x1c8)
[    3.011796]  r7:e7d1fc00 r6:00000000 r5:e8305400 r4:e7d1c4c0
[    3.021869] [<c076293c>] (msm_dsi_modeset_init) from [<c071caac>] (mdp4_kms_init+0x578/0x7b4)
[    3.027510]  r9:e8305400 r8:00000001 r7:e8305400 r6:e8305400 r5:00000006 r4:e7d1f780
[    3.035927] [<c071c534>] (mdp4_kms_init) from [<c0754554>] (msm_drm_bind+0x3d0/0x5f4)
[    3.043741]  r10:c12c2ea8 r9:00000002 r8:e8305c00 r7:e89efa10 r6:00000000 r5:e8305400
[    3.051449]  r4:e8305c00
[    3.059274] [<c0754184>] (msm_drm_bind) from [<c0770244>] (try_to_bring_up_master+0x1fc/0x2c8)
[    3.061884]  r10:c12c2ea8 r9:00000002 r8:e7d11f18 r7:e7d16540 r6:e7d11f18 r5:e7d11f40
[    3.070285]  r4:e7d11c40
[    3.078198] [<c0770048>] (try_to_bring_up_master) from [<c0770644>] (component_master_add_with_match+0xc0/0x100)
[    3.080811]  r10:00000000 r9:e89efa10 r8:c0f8cbf0 r7:c0d5a440 r6:e89efa10 r5:e7d11f40
[    3.090945]  r4:c12775d4
[    3.098679] [<c0770584>] (component_master_add_with_match) from [<c0753dbc>] (msm_pdev_probe+0x230/0x290)
[    3.101291]  r7:e89efa10 r6:e93f5ab8 r5:e89efa10 r4:e93f3378
[    3.110756] [<c0753b8c>] (msm_pdev_probe) from [<c077992c>] (platform_drv_probe+0x58/0xa8)
[    3.116484]  r10:c12c3160 r9:c1276f10 r8:c1313718 r7:00000000 r6:c1276f10 r5:e89efa10
[    3.124540]  r4:00000000
[    3.132447] [<c07798d4>] (platform_drv_probe) from [<c0776ffc>] (really_probe+0x114/0x424)
[    3.135053]  r7:00000000 r6:00000000 r5:c1313714 r4:e89efa10
[    3.143129] [<c0776ee8>] (really_probe) from [<c077754c>] (driver_probe_device+0x80/0x1dc)
[    3.148950]  r10:e89efa10 r9:c12c3160 r8:c0f91d0c r7:e89efa10 r6:e8043e78 r5:c1276f10
[    3.157005]  r4:e89efa10
[    3.164911] [<c07774cc>] (driver_probe_device) from [<c0777870>] (__device_attach_driver+0xa4/0x110)
[    3.167527]  r9:c12c3160 r8:c0f91d0c r7:e89efa10 r6:e8043e78 r5:c1276f10 r4:00000001
[    3.176637] [<c07777cc>] (__device_attach_driver) from [<c0774ff4>] (bus_for_each_drv+0x80/0xb0)
[    3.184361]  r7:c12c3160 r6:c07777cc r5:e8043e78 r4:00000000
[    3.193127] [<c0774f74>] (bus_for_each_drv) from [<c0776e30>] (__device_attach+0xc0/0x158)
[    3.198766]  r6:e89efa54 r5:00000001 r4:e89efa10
[    3.206841] [<c0776d70>] (__device_attach) from [<c07778f8>] (device_initial_probe+0x1c/0x20)
[    3.211614]  r6:c1277a88 r5:e89efa10 r4:c127780c
[    3.220035] [<c07778dc>] (device_initial_probe) from [<c0775f08>] (bus_probe_device+0x94/0x9c)
[    3.224730] [<c0775e74>] (bus_probe_device) from [<c07764b8>] (deferred_probe_work_func+0x88/0xd0)
[    3.233145]  r7:c12c3160 r6:c1277820 r5:c127780c r4:c127780c
[    3.242096] [<c0776430>] (deferred_probe_work_func) from [<c033d1b8>] (process_one_work+0x1dc/0x53c)
[    3.247910]  r10:00000000 r9:c12bb270 r8:00000000 r7:e93d7f00 r6:e93d4dc0 r5:e8a21000
[    3.257009]  r4:c1277844 r3:c0776430
[    3.264741] [<c033cfdc>] (process_one_work) from [<c033ed74>] (worker_thread+0x254/0x500)
[    3.268393]  r10:e8863e88 r9:00000008 r8:c1203d00 r7:e93d4dd8 r6:e8a21014 r5:e93d4dc0
[    3.276449]  r4:e8a21000
[    3.284270] [<c033eb20>] (worker_thread) from [<c03436e0>] (kthread+0x12c/0x168)
[    3.286881]  r10:e8863e88 r9:e8a2061c r8:e8a21000 r7:e8042000 r6:00000000 r5:e8a20780
[    3.294246]  r4:e8a20600
[    3.301977] [<c03435b4>] (kthread) from [<c03010e8>] (ret_from_fork+0x14/0x2c)
[    3.304575] Exception stack(0xe8043fb0 to 0xe8043ff8)
[    3.311617] 3fa0:                                     00000000 00000000 00000000 00000000
[    3.316761] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    3.324913] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    3.333060]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c03435b4
[    3.339471]  r4:e8a20780
[    3.347469] Code: e5936004 ebffefaa e2504000 089da8f0 (e5963000)
[    3.350237] ---[ end trace ef11f4cc25ead15d ]---
[    3.377018] Kernel panic - not syncing: Fatal exception
[    3.377092] CPU0: stopping
[    3.381054] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D           5.3.0-00014-g9bf8d2ba4898 grate-driver#120
[    3.383835] Hardware name: Generic DT based system
[    3.393116] Backtrace:
[    3.397727] [<c030e80c>] (dump_backtrace) from [<c030eb64>] (show_stack+0x20/0x24)
[    3.400069]  r7:c12b4080 r6:20000193 r5:00000000 r4:c12b4080
[    3.407712] [<c030eb44>] (show_stack) from [<c0c420d4>] (dump_stack+0x78/0x94)
[    3.413531] [<c0c4205c>] (dump_stack) from [<c03106b0>] (handle_IPI+0x3a4/0x408)
[    3.420555]  r7:00000000 r6:c12bb144 r5:00000004 r4:c11a5d50
[    3.428108] [<c031030c>] (handle_IPI) from [<c0302388>] (gic_handle_irq+0x94/0xa0)
[    3.433751]  r10:00000000 r9:c1201ec0 r8:ea803000 r7:c124cf28 r6:c1206894 r5:ea802000
[    3.441124]  r4:ea80200c
[    3.449021] [<c03022f4>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0xa8)
[    3.451629] Exception stack(0xc1201ec0 to 0xc1201f08)
[    3.459024] 1ec0: 00000000 00002f2c e93999f0 c031ac20 00000000 c1200000 c12060e4 c1206120
[    3.464065] 1ee0: 00000000 c11a5548 00000000 c1201f1c c1201f20 c1201f10 c030a474 c030a478
[    3.472208] 1f00: 60000013 ffffffff
[    3.480359]  r9:c1200000 r8:00000000 r7:c1201ef4 r6:ffffffff r5:60000013 r4:c030a478
[    3.483683] [<c030a438>] (arch_cpu_idle) from [<c0c5e93c>] (default_idle_call+0x30/0x3c)
[    3.491656] [<c0c5e90c>] (default_idle_call) from [<c0353ea4>] (do_idle+0x204/0x284)
[    3.499725] [<c0353ca0>] (do_idle) from [<c03541ec>] (cpu_startup_entry+0x28/0x2c)
[    3.507448]  r10:c12060c0 r9:00000001 r8:c12d9140 r7:c12d9140 r6:ffffffff r5:c1216348
[    3.514822]  r4:000000cd
[    3.522719] [<c03541c4>] (cpu_startup_entry) from [<c0c59138>] (rest_init+0xb8/0xd8)
[    3.525339] [<c0c59080>] (rest_init) from [<c1100b38>] (arch_call_rest_init+0x18/0x1c)
[    3.533053]  r5:00000001 r4:c12d9194
[    3.540777] [<c1100b20>] (arch_call_rest_init) from [<c1100fbc>] (start_kernel+0x408/0x4ac)
[    3.544517] [<c1100bb4>] (start_kernel) from [<00000000>] (0x0)
[    3.552585]  r10:10c5387d r9:511f06f0 r8:819700a0 r7:00001e7a r6:10c0387d r5:00000051
[    3.558484]  r4:c1100330
[    3.566469] CPU1: stopping
[    3.569089] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D           5.3.0-00014-g9bf8d2ba4898 grate-driver#120
[    3.571604] Hardware name: Generic DT based system
[    3.580882] Backtrace:
[    3.585500] [<c030e80c>] (dump_backtrace) from [<c030eb64>] (show_stack+0x20/0x24)
[    3.587846]  r7:c12b4080 r6:20000193 r5:00000000 r4:c12b4080
[    3.595489] [<c030eb44>] (show_stack) from [<c0c420d4>] (dump_stack+0x78/0x94)
[    3.601310] [<c0c4205c>] (dump_stack) from [<c03106b0>] (handle_IPI+0x3a4/0x408)
[    3.608331]  r7:00000001 r6:c12bb144 r5:00000004 r4:c11a5d50
[    3.615888] [<c031030c>] (handle_IPI) from [<c0302388>] (gic_handle_irq+0x94/0xa0)
[    3.621532]  r10:00000000 r9:e882df20 r8:ea803000 r7:c124cf28 r6:c1206894 r5:ea802000
[    3.628896]  r4:ea80200c
[    3.636800] [<c03022f4>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0xa8)
[    3.639399] Exception stack(0xe882df20 to 0xe882df68)
[    3.646805] df20: 00000000 000002fc e93ad9f0 c031ac20 00000001 e882c000 c12060e4 c1206120
[    3.651846] df40: 00000000 c11a5548 00000000 e882df7c e882df80 e882df70 c030a474 c030a478
[    3.659982] df60: 60000013 ffffffff
[    3.668141]  r9:e882c000 r8:00000000 r7:e882df54 r6:ffffffff r5:60000013 r4:c030a478
[    3.671457] [<c030a438>] (arch_cpu_idle) from [<c0c5e93c>] (default_idle_call+0x30/0x3c)
[    3.679434] [<c0c5e90c>] (default_idle_call) from [<c0353ea4>] (do_idle+0x204/0x284)
[    3.687504] [<c0353ca0>] (do_idle) from [<c03541ec>] (cpu_startup_entry+0x28/0x2c)
[    3.695230]  r10:00000000 r9:511f06f0 r8:8020406a r7:c12d9438 r6:10c0387d r5:00000001
[    3.702592]  r4:00000089
[    3.710502] [<c03541c4>] (cpu_startup_entry) from [<c0310044>] (secondary_start_kernel+0x154/0x19c)
[    3.713113] [<c030fef0>] (secondary_start_kernel) from [<8030284c>] (0x8030284c)
[    3.721866]  r5:00000051 r4:a882406a
[    3.729497] CPU2: stopping
[    3.733066] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D           5.3.0-00014-g9bf8d2ba4898 grate-driver#120
[    3.735581] Hardware name: Generic DT based system
[    3.744858] Backtrace:
[    3.749476] [<c030e80c>] (dump_backtrace) from [<c030eb64>] (show_stack+0x20/0x24)
[    3.751821]  r7:c12b4080 r6:20000193 r5:00000000 r4:c12b4080
[    3.759466] [<c030eb44>] (show_stack) from [<c0c420d4>] (dump_stack+0x78/0x94)
[    3.765287] [<c0c4205c>] (dump_stack) from [<c03106b0>] (handle_IPI+0x3a4/0x408)
[    3.772308]  r7:00000002 r6:c12bb144 r5:00000004 r4:c11a5d50
[    3.779864] [<c031030c>] (handle_IPI) from [<c0302388>] (gic_handle_irq+0x94/0xa0)
[    3.785509]  r10:00000000 r9:e882ff20 r8:ea803000 r7:c124cf28 r6:c1206894 r5:ea802000
[    3.792871]  r4:ea80200c
[    3.800776] [<c03022f4>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0xa8)
[    3.803375] Exception stack(0xe882ff20 to 0xe882ff68)
[    3.810781] ff20: 00000000 000006fc e93c19f0 c031ac20 00000002 e882e000 c12060e4 c1206120
[    3.815821] ff40: 00000000 c11a5548 00000000 e882ff7c e882ff80 e882ff70 c030a474 c030a478
[    3.823957] ff60: 60000013 ffffffff
[    3.832116]  r9:e882e000 r8:00000000 r7:e882ff54 r6:ffffffff r5:60000013 r4:c030a478
[    3.835430] [<c030a438>] (arch_cpu_idle) from [<c0c5e93c>] (default_idle_call+0x30/0x3c)
[    3.843410] [<c0c5e90c>] (default_idle_call) from [<c0353ea4>] (do_idle+0x204/0x284)
[    3.851479] [<c0353ca0>] (do_idle) from [<c03541ec>] (cpu_startup_entry+0x28/0x2c)
[    3.859206]  r10:00000000 r9:511f06f0 r8:8020406a r7:c12d9438 r6:10c0387d r5:00000002
[    3.866569]  r4:00000089
[    3.874476] [<c03541c4>] (cpu_startup_entry) from [<c0310044>] (secondary_start_kernel+0x154/0x19c)
[    3.877087] [<c030fef0>] (secondary_start_kernel) from [<8030284c>] (0x8030284c)
[    3.885843]  r5:00000051 r4:a882406a

drivers/gpu/drm/msm/dsi/dsi.c

@@ -242,8 +242,6 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
 		goto fail;
 	}
 
-	msm_dsi_manager_setup_encoder(msm_dsi->id);
-
 	priv->bridges[priv->num_bridges++]       = msm_dsi->bridge;
 	priv->connectors[priv->num_connectors++] = msm_dsi->connector;
 

drivers/gpu/drm/msm/dsi/dsi.h

@@ -89,7 +89,7 @@ struct drm_connector *msm_dsi_manager_connector_init(u8 id);
 struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id);
 int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
 bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
-void msm_dsi_manager_setup_encoder(int id);
+void msm_dsi_manager_attach_dsi_device(int id);
 int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
 void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
 bool msm_dsi_manager_validate_current_config(u8 id);

drivers/gpu/drm/msm/dsi/dsi_host.c

@@ -1608,6 +1608,8 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
 	msm_host->format = dsi->format;
 	msm_host->mode_flags = dsi->mode_flags;
 
+	msm_dsi_manager_attach_dsi_device(msm_host->id);
+
 	/* Some gpios defined in panel DT need to be controlled by host */
 	ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev);
 	if (ret)

drivers/gpu/drm/msm/dsi/dsi_manager.c

@@ -231,7 +231,7 @@ static bool dsi_mgr_is_cmd_mode(struct msm_dsi *msm_dsi)
 	return !(host_flags & MIPI_DSI_MODE_VIDEO);
 }
 
-void msm_dsi_manager_setup_encoder(int id)
+static void msm_dsi_manager_setup_encoder(int id)
 {
 	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
 	struct msm_drm_private *priv = msm_dsi->dev->dev_private;
@@ -272,7 +272,12 @@ static int msm_dsi_manager_panel_init(struct drm_connector *conn, u8 id)
 		return PTR_ERR(panel);
 	}
 
-	if (!panel || !IS_DUAL_DSI())
+	if (!panel)
+		return 0;
+
+	msm_dsi_manager_setup_encoder(id);
+
+	if (!IS_DUAL_DSI())
 		goto out;
 
 	drm_object_attach_property(&conn->base,
@@ -802,6 +807,34 @@ bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len)
 	return true;
 }
 
+void msm_dsi_manager_attach_dsi_device(int id)
+{
+	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
+	struct drm_device *dev;
+
+	/*
+	 * drm_device pointer is assigned to msm_dsi only in the modeset_init
+	 * path. If mipi_dsi_attach() happens in DSI driver's probe path
+	 * (generally the case when we're connected to a drm_panel of the type
+	 * mipi_dsi_device), this would be NULL. In such cases, try to set the
+	 * encoder mode in the DSI connector's detect() op.
+	 *
+	 * msm_dsi pointer is assigned to a valid dsi device only when
+	 * msm_dsi_manager_register() succeeds. When panel hasnt probed yet
+	 * dsi_mgr_setup_components() could potentially return -EDEFER and
+	 * assign the msm_dsi->dev to NULL. When the panel now probes and calls
+	 * mipi_dsi_attach(), this will call msm_dsi_manager_attach_dsi_device()
+	 * which will result in a NULL pointer dereference
+	 */
+
+	dev = msm_dsi ? msm_dsi->dev : NULL;
+
+	if (!dev)
+		return;
+
+	msm_dsi_manager_setup_encoder(id);
+}
+
 int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
 {
 	struct msm_dsi_manager *msm_dsim = &msm_dsim_glb;